Submersible Sewage Ejector Pump - Sump Pumps

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General Information Thank you for purchasing your Hydromatic ® pump. To help ensure years of trouble-free operation, please read the following manual carefully. Before Operation: Read the following instructions carefully. Reasonable care and safe methods should be practiced. Check local codes and requirements before installation. Attention: This manual contains important information for the safe use of this product. Read this manual completely before using this product and refer to it often for continued safe product use. DO NOT THROW AWAY OR LOSE THIS MANUAL. Keep it in a safe place so that you may refer to it often. WARNING: Before handling these pumps and controls, always disconnect the power first. Do not smoke or use sparkable electrical devices or flames in a septic (gaseous) or possible septic sump. Pump Warning To reduce risk of electrical shock: 1. Risk of Electrical Shock: This pump has not been investigated for use in swimming pool areas. 2. Risk of Electrical Shock: Connect only to a properly grounded receptacle. Septic tank to be vented in accordance with local plumbing codes. Do not smoke or use sparkable electrical devices or flame in a septic (gaseous) or possible septic sump. If a septic sump condition may exist and if entry into sump is necessary, then (1) provide proper safety precautions per OSHA requirements and (2) do not enter sump until these precautions are strictly adhered to. Do not install pump in location classified as hazardous per N.E.C., ANSI/NFPA 70 - 1999. Failure to heed above cautions could result in injury or death. Pump Installation These important instructions must be followed for satisfactory performance of your pump. Before installation, check your local electrical and plumbing codes. 1. Provide proper sump. Recommended minimum sump diameter is 18". 2. Make sure the wide-angle float switch (excluding those automatic models equipped with a diaphragm pressure switch) hangs freely. The float should not come in contact with the side or bottom of the sump pit. 3. Make sure sump is free of string, cloth, nails, gravel, etc. before installing pump. 4. Do not set pump directly on the bottom of sump pit if it is not solid. Raise the pump by placing bricks or concrete blocks underneath it. 5. Use steel or plastic pipe for all connecting lines between pump and sewer outlet. Note: Some city regulations do not allow installing a pump with plastic pipe. Check local regulations. 6. In applications where the pump may sit idle for months at a time, it is recommended that the pump(s) be cycled every month to ensure the pumping system is working properly when needed. 7. Hydromatic check valve should be installed in discharge pipe. Install check valve with arrow on valve body pointing in the direction of the flow. 8. A shutoff valve should also be used. 9. An audible alarm system, such as the Q Alert, for high water conditions should be installed in every pump pit for greater protection. Note: The Q Alert is for indoor use only. For outdoor applications contact your Hydromatic distributor. 10.Connect to power source using 3-prong grounded AC receptacle. Do not remove ground pin from electrical plug. Do not use an extension cord or adaptor plug. 11. For proper automatic operation, make sure the pump power cord is plugged into the back of the piggyback receptacle on the wide angle float switch. 2
12.To ensure that the pump is properly installed, fill basin with enough water to activate pump. Allow the pump to go through several on-off cycles to assure satisfactory operation. 13.Use pump partially or completely submerged for pumping waterlike liquids (temperature to 140° F). The SKV50 will pump solid materials up to 2" (spherical) in diameter. Caution: Do not pump flammable liquids, strong chemicals or salt water. Your pump warranty is void... If...power cord has been cut. If...pump has been used to pump mud, cement, tar, abrasives or chemicals. If...pump has been used for pumping of hot water (above 120° F). If...pump has been dismantled by other than authorized Hydromatic service center or distributor. Pump Servicing Read the following instructions carefully before replacing any parts. Reasonable care and safe methods should be practiced. Check local codes and requirements before installation. Only competent electrician should make the installations. The following steps should be performed by an authorized Hydromatic service center or distributor. Note: Use extreme caution around electrical devices. Electrical shock may occur. 1. Before removing pump from the sump, check to be sure the problem is not a blown fuse, tripped circuit breaker or a power cord not completely inserted into the receptacle. 2. If the unit is being operated by an optional control switch, unplug the pump from the piggyback receptacle and plug the pump directly into the power source. If the pump starts each time it is plugged directly into the receptacle and does not start each time when plugged into the piggyback switch with the float raised or diaphragm pressed up to a start position, replace the complete switch assembly and retest with new assembly. 3. If pump fails the above two steps, remove pump and switch from power source to avoid electrical shock. Then pull the pump from the sump by the handle. Sandblast, if possible, any dirt or trash from the outside of the pump before dismantling. 4. If the above tests have not resolved the problem, it may be in the electrical components of the pump. Starting with the power cord, inspect for cuts or nicks in the insulation. If the cord is damaged – replace it! 5. Using the ohmmeter, check the resistance of the motor windings by connecting one lead clip to each electrical “flat” prong on the power cord 3
Page 1: Pump Installation and Service Manua
Page 5 and 6: pounds of air pressure. Air bubbles
Page 7 and 8: SKV50 Parts List 1 14 3 2 15 19 20

Submersible Sewage Ejector Pump - Sump Pumps

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